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What to do if lawnmower smokes when turns on?

How long can I use it before it breaks down completely, or is there an explosion risk? The smoke just started today and is light but noticeable 

6 Answers

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  • 2 months ago
    Favourite answer

    As long as you keep the oil level full you can run it until it gets so bad you get ashamed of the smoke and buy a new one. That make take years. No risk of explosion. 

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  • L.N.
    Lv 7
    2 months ago

    Most common reason on a four cycle is the cylinder and rings have gotten worn or scored. Damaged air filter can let dirt get in and accelerate wear. On a two cycle incorrect oil ratio would be the first guess.

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  • Anonymous
    2 months ago

    Wrong forum. go to the maintenance forum in the Lawn & Garden category. This is Cars & Transportation. A mower doesn't qualify as either. 

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  • 2 months ago

    It all depends.  With two cycle engines there will be smoke if the fuel/oil mixture is cold or the ration is wrong.  with a four cycle engine, oil can get into the combustion chamber if the mower is titled the wrong way.  be sure to use a fresh spark plug and clean filter.  it will note explodel.

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  • Larry
    Lv 4
    2 months ago

    Turn it off and get a new one. If you keep using it, it will blow up in your face Use logic.

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  • Check your air filter, other than that check the oil regularly.

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